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Finding the Fourth Proportional to 22,865.70, 34,301.07 and 7,279.70

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Solution

The fourth proportional to 22,865.70, 34,301.07 and 7,279.70 is: 10,920.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,865.70 : 34,301.07 = 7,279.70 : x
  2. Step 2: Convert to fraction form
    22,865.70/34,301.07 = 7,279.70/x
  3. Step 3: Cross multiply
    22,865.70x = 34,301.07 × 7,279.70
  4. Step 4: Simplify right side
    22,865.70x = 249,701,499.28
  5. Step 5: Solve for x
    x = 249,701,499.28/22,865.70
  6. Step 6: Final answer
    x = 10,920.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.